Utilities in Greece

Ppc S.A

PPC is the leading Powertech Group in Southeastern Europe. At the forefront of the new wave of electrification, PPC plays a pivotal role in Greece’s and the wider region’s digital transition, through strategic investments in energy and technology infrastructure. The transformation of PPC is based on building a clean and flexible energy portfolio, by investing in renewables and lignite phase out by the end of 2026. PPC Group is also expanding and modernizing the grids, while placing the customer at the center of its commercial strategy. PPC operates as a fully integrated utility Group, with activities in electricity generation, distribution and sale of advanced energy products and services. PPC Group is active in Greece, Romania, N. Macedonia, Italy and Bulgaria. The Group’s total installed capacity stands at 12.5 GW, generating 21 TWh of electricity annually. As of the end of the third quarter of 2025, renewables’ installed capacity reached 6.4 GW, with an additional 3.9 GW under development. PPC is the largest energy supplier in Greece and Romania, serving more than 8.6 million customers and delivering 33 TWh of electricity annually, along with a broad portfolio of energy products and services. In the technology sector, PPC is taking a leading role in the digital era by linking energy with innovation. The Group is investing in cutting-edge technologies - from a nationwide fiber-to-the-home (FTTH) network, to international telecommunications cables, data centers, and AI. Focused on sustainable growth, PPC Group integrates responsible environmental and social practices across its operations, creating shared value for society and the environment. The Group’s ESG progress is reflected in upgrades by international organizations such as S&P Global, CDP, Sustainalytics, MSCI, and ATHEX ESG, as well as in its participation in the global Science Based Targets initiative (SBTi) for climate action. Founded in 1950, PPC has been listed on the Athens Stock Exchange since 2001.

10001+ staff

Ariadne Interconnection

The special purpose vehicle with company name “CRETE-ATTICA ELECTRICAL INTERCONNECTION ARIADNE SPECIAL PURPOSE LIMITED COMPANY” titled as “ARIADNE INTERCONNECTION S.P.L.C” has been appointed by the Regulatory Authority of Energy as the project implementation vehicle of the Attica-Crete interconnection with the decisions 816/2018 and 823/2018. ARIADNE INTERCONNECTION was founded in September 2018 as subsidiary of ADMIE S.A. The timeline of the project defines that the commissioning of the interconnection should be done within 2022 while the tenders for the turn-key implementation of Converter Stations and HVDC cables will be launched in Q4 2018-Q1 2019.

11 to 50 staff

Watera Hellas S.A

International company headquartered in Luxembourg, that has been active in the water treatment market since 1963.

51 to 200 staff

Thessaloniki Water Supply & Sewerage Co. S.A. - Eyath S.A

Thessaloniki Water Supply & Sewerage Co. S.A.(EYATH S.A.) is a prominent provider of water supply, sewerage, and waste management services in Greece. The company serves 1.2 million people, delivering safe water and effective wastewater services through a network that includes 2,758 km of water pipelines and 1,783 km of sewerage lines. EYATH is a trusted partner to society. The company's mission is to maintain and enhance its leadership in the water supply and sewerage sector by offering high-quality services while upholding its commitment to responsibility and innovation. EYATH is dedicated to achieving sustainability by incorporating the principles of the circular economy and environmental protection into all aspects of its operations. As a reliable partner to both society and the environment, EYATH contributes to the well-being of the community while ensuring the preservation of natural resources for future generations. EYATH S.A is listed on the Athens Stock Exchange: EYAPS (Bloomberg:EYAPS:GA Reuters code:TWSr.AT).

201 to 500 staff

Las Solutions Sa

LAS Solutions SA was founded in December 2008 as a provider of airport & logistics systems and services. Our company specializes in advanced automation and software solutions. Since 2019 LAS Solutions is a member of the Austrian company KNAPP AG, a leader in planning and implementation of complex systems in the area of automated logistics/supply chain. KNAPP AG currently employs more than people all over the world in installations and 53 locations. Our company offers a wealth of insight from various industries and technologies to the client bringing in new ideas for the supply chain investment. We have dealt with various complex projects concerning material handling related to the airport logistics, the wholesale warehouses and production processes. Our customers benefit from this cross expertise opening the way to new solutions and setting of higher standards. Since a system’s true cost can be only measured over its entire lifetime, we propose systems with low maintenance costs and considerable energy savings. Our partners have been chosen for their innovative proven technology based on this philosophy while delivering the speed and accuracy demanded in today’s logistics solutions. We aim to establish a reputation as an airport & logistics system solutions and services partner of choice and remaining abreast of the changing and growing needs of the industry within Greece.

51 to 200 staff

Glaros

Glaros company hires, manages and maintains chemical toilets. Chemical toilets cover health needs in places where there are no sanitation and water services. Glaros is the first company that brought and settled in Greece portable chemical toilets for public places.

11 to 50 staff

Kalentel Kaltsonis Energy Telecom

KALENTEL is a technical consulting and commercial company established in early 2022, based in 25 years of knowledge in energy and telecommunications technology. Engaging with KALENTEL it’s a totally different experience than your typical technical consulting and commercial company. My partners and I have solid experience in the market of energy & telecommunications by building a long term smooth, reliable collaboration and appearing successful results with Utilities (HEDNO, PPC, OTE, COSMOTE, Electricity Authority of Cyprus, CYTA, WIND, VODAFONE, Telekom Romania) and EPC private companies active in construction of FTTH networks, wind farms and photovoltaic parks in the countries of Greece, Cyprus, Romania and Bulgaria. We are experts in LV & MV cable accessories for overground and underground power distribution network. As well us for FTTH cable accessories (i.e. Closures, Microducts, FO cables, Outdoor and floor boxes, wall outlets) Engaging with KALENTEL it’s a totally different experience than your typical technical consulting and commercial company.

1 to 10 staff

Endico

European Network for Diaspora Connection

1 to 10 staff

Extramile - Enginnering For A Brighter Tomorrow

Extra mile is a Greek company that specialises in high tech electronics, programing, business consulting and technical auditing. Till now we have developed several solutions serving leading companies of marine, logistics, automotive and alternative energy industries.

1 to 10 staff

Eydap

Athens Water Supply & Sewerage Company S.A.(EYDAP) is the largest Greek company in the water supply, sewerage and waste water treatment sector. EYDAP supplies water to approximately customers water meters) through a network of approximately km. The main raw water sources and reservoirs are located in pure regions, free from agricultural and industrial activities. The sewerage sector serves residents with sewers spreading at almost 9,500 km serves approximately. EYDAP has designed and implemented an integrated sewerage management system, designed to a proper, efficient and uninterrupted operation with the ultimate goal of protecting and ensuring public health. EYDAP was founded in 1980 under the 'Incorporation of a Single Water Supply and Sewerage Company for Greater Athens' Act 1068/1980, pursuant to a merger of the incumbent water supplier in Athens and Piraeus 'Hellenic Water Company S.A.'(EEY S.A.) and the 'Greater Athens Sewerage Organization'(OAP S.A.). In under the 'Issues Related to the Athens Water Supply and Sewerage Company and other Provisions' Act EYDAP S.A. took its present legal form, as all of its major assets were transferred to the company 'EYDAP Fixed Assets'(Legal Entity under Public Law), thus remaining the property of the State.'EYDAP Fixed Assets' is the owner of dams, reservoirs, water towers, pumping stations and all other facilities that allow water to be transferred safely to treatment plants. Pursuant to an agreement signed between EYDAP S.A. and the Greek State in December EYDAP S.A. continues to operate the said facilities on behalf of 'EYDAP Fixed Assets'. In January EYDAP S.A. was listed on the Main Market of the Athens Stock Exchange.

1001 to 5000 staff

American Farm School

The American Farm School of Thessaloniki, Greece, is an independent, nonprofit educational institution founded in 1904 to serve the needs of Greece and the surrounding Balkan areas. Today major educational divisions include the Primary School, Secondary School, the Perrotis College of Agriculture, Environment and Life Sciences, and Adult Education and Research. The School prepares its graduates for prominent roles in community life and in the agriculture and food sectors by teaching farming and business practices that are economically viable, ecologically sound and socially responsible.

201 to 500 staff

Protergia

Protergia, the energy of METLEN Energy & Metals is the largest private energy company in Greece, and is active in the supply of electricity and gas by offering modern and reliable services. Protergia offers combined electricity and gas products and serves more than electricity supply account numbers throughout the country. The sophisticated way Protergia offers its products, the innovation in its services and the green design focus with friendly service, paves a new way to energy for thousands of households and businesses.

501 to 1000 staff

Ipto-Independent Power Transmission Operator

The Independent Power Transmission Operator (IPTO or ADMIE) S.A. undertakes the role of Transmission System Operator for the Greek Electricity Transmission System. As such, IPTO performs the duties of System operation, control, maintenance and development so as to ensure Greece’s electricity supply in an adequate, safe, efficient and reliable manner. Furthermore, IPTO operates the Greek electricity market in accordance with the principles of transparency, equality and free competition. The shareholder structure of IPTO is as follows- 51% ADMIE HOLDING S.A- 25% DES ADMIE S.A- 24% State Grid Europe Limited

1001 to 5000 staff

Admie Holding S.A

Η ΑΔΜΗΕ ΣΥΜΜΕΤΟΧΩΝ Α.Ε. κατέχει το 51% του Ανεξάρτητου Διαχειριστή Μεταφοράς Ηλεκτρικής Ενέργειας (ΑΔΜΗΕ Α.Ε.) και σκοπός της είναι η προαγωγή του έργου του ΑΔΜΗΕ, καθώς και η βέλτιστη διαχείριση των σχέσεων με τους επενδυτές και εταίρους με διαφάνεια, καθιερώνοντας δομές διακυβέρνησης που προστατεύουν τα συμφέροντα των συνδεδεμένων με αυτήν μερών. Οι μετοχές της ΑΔΜΗΕ Συμμετοχών Α.Ε. είναι εισηγμένες στο Χρηματιστήριο Αθηνών και διαπραγματεύονται στο Δείκτη Μεσαίας Κεφαλαιοποίησης- ADMIE (IPTO) HOLDING S.A. holds 51% of the Independent Power Transmission Operator (IPTO S.A.) and its purpose is to promote the operations of IPTO, as well as the optimal management of relations with investors and partners in a transparent manner, establishing governance structures that protect the interests of its related parties. The shares of ADMIE (IPTO) Holding S.A. are listed on the Athens Exchange and are traded on the Mid-Cap Index.

1 to 10 staff

Municipality Of Patras

501 to 1000 staff

Bionrgwood Group

Bionrgwood Group is a regional powerhouse based in Greece, renowned for producing high-quality impregnated wood poles used in electricity and telecom networks. With a robust presence in Northern and Western Europe, Israel, the broader Middle East and Hong Kong and clients ranging from telecom to utility companies and large retailers, Bionrgwood Group also specializes also in tailored, large-scale projects. Powered by innovation and sustainability, our new brand O-wood redefines the future of renewable materials. Embodying the principles of the circular economy, O-wood transforms production waste into high-value solutions. Part of this offering includes white-label product services—already trusted by major retailers such as Leroy Merlin. Our commitment to quality is validated by our internationally recognized certifications: FSC (Forest Stewardship Council) and CE. These certifications guarantee that our operations not only meet stringent safety and environmental standards, but also uphold the finest sustainable forestry and manufacturing practices. Let us be your strategic partner in building resilient infrastructure and advancing sustainable development across global markets. Key strengths at a glance: • Regional leader in impregnated wood poles for electricity & telecom • Custom project expertise tailored to your specific needs • O-wood brand, dedicated to zero-waste circular solutions • Trusted supplier to major global retailers • Certified: FSC + CE for sustainable quality Let us be your strategic partner in building resilient infrastructure and advancing sustainable development across global markets.

11 to 50 staff

Municipality Of Andravida-Kyllini

Andravida–Kyllini is a municipality in the Elis regional unit, West Greece region, Greece. The seat of the municipality is the town Lechaina.The municipality has an area of 355.476 km2. The municipality Of Andravida–Kyllini was formed at the 2011 local government reform by the merger of the following 4 former municipalities, that became municipal units: Andravida Kastro-Kyllini Lechaina Vouprasia

51 to 200 staff

Zephiros

The Zephiros Group began its journey in 1997 with the establishment of Zephiros Ltd, laying a solid foundation for our enduring commitment to renewable energy. As pioneers in Greece's renewable energy sector, we managed some of the earliest operational projects and executed one of the first plant repowering initiatives. From the outset, our mission has been to transform natural resources into sustainable energy solutions with lasting impact. Building upon the success of Zephiros Ltd, we recognized the growing need for comprehensive asset management services within the industry. This insight led to the formation of Wootis S.A, our affiliate company specializing in asset management, operation, and maintenance of wind and solar parks. Together, these entities form ZEPHIROS ENERGY SOLUTIONS AND ASSETS, delivering integrated services across the renewable energy spectrum.

51 to 200 staff

Offersaroundme

On OffersAroundME mobile app users can search for the offer they are looking for around their location or around the address they desire, simply by typing in a search term. OffersAroundME returns search results with offers matched to the search term and listed according to the nearest shop. Distance and price or short description of the offer appear in search results so as for the users to select the offer they are interested in at the distance it is to see more about it. OffersAroundMe can navigate users to the shop’s location using device’s maps. Users can change the search radius anytime. Thus they can do a search in the distance they are intended to walk or drive- Businesses can target their offers within a set distance from their business or stores. So their offers will be found by people at the very moment they are searching for the thinks they offer and they are nearby their shop. Businesses can create, edit, pause, restart or end their offers at any time through the web based management console at ease.

1 to 10 staff

Enerwave S.A

One Group | One Energy We are Enerwave, member of HELLENiQ ENERGY and one of the leading energy groups in Southeast Europe. With our two privately owned power plants at Thisvi of Viotia and Thessaloniki and a total installed capacity of 820 MW, we use exclusively natural gas as fuel, ensuring an environmentally friendly power production process. The generated clean electricity flow completely covers the needs of all market segments, from retail customers to large-scale businesses. Our aim is to provide simple, customer-centered innovative energy, to create positive change in people’s daily life. Our vision is a planet where people will enjoy green-energy services, along with a green and living nature. We have solid values and open mind, present-oriented solutions with future-oriented care. We create better energy that unleashes a wave of better prospects, for all.

201 to 500 staff

Bespoke Enterprise Solutions

You're go-to for Commercial services; Electricity, Gas, Telecoms, Water, Vehicle Tracking & Merchant Services.

1 to 10 staff

Volton Ελληνική Ενεργειακή

Welcome to Volton! We are a dynamic and rapidly expanding Greek company focusing on the electricity and natural gas supply and trading sectors, with our sights on expanding into the Telecommunications field. Our ambition is to become a major player in the field while remaining in the front line of innovation as the first multiservice provider, by combining electricity, natural gas and telecommunication services. The secret ingredient making Volton stand out is our people, and our certification as a Great Place to Work® proves our dedication to our associates. By investing in training and development, we encourage each member of our team to add their own unique characteristic and ideas, contributing to our company’s goal to offer high quality services that fulfill our customer’s needs, while also building a strong and reliable company identity.

201 to 500 staff